Outlook vs Exchange2013


I have migrate from Exchange 2007 to Exchange 2013. Everything seems to work fine on that side. The only litlle problems IM facing is that some emails and tasks in Outlook are long to open. When they are bigger than 2Mg it could take up to 1 minute to open. And also sometimes when I try to forward an email that has an image Embedded in it to somebody I receive an Outlook error. "Problem with the client" and the email is not sending. If I try this last operationj with OWA it's working fine.

My users are using Outlook 2010 and Outlook 2013.

Thank you
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Mal OsborneAlpha GeekCommented:
Sounds like you are running Outlook in uncached mode. Is the indicated box checked?

jpmoreauAuthor Commented:
Do you mean that it is better to run in cache mode? I have always run in uncached mode
Mal OsborneAlpha GeekCommented:

In Cached mode, a copy of the entire mailbox is kept synced on the client machine. This means if you open a 2Mb attachment it gets pulled straight of the hard drive. In uncached mode, the  attachment needs to be copied across from the Exchange server. If the LAN is busy or slow, it might be a noticeable delay. Cached mode also lets users access synced email without any network connection.

The downside of cached mode is that it takes some disk space. This is particularly bad if a machine is shared by several users, each user has their own copy of their mailbox, stuck on the machine until you delete their profile.  10 users each with a 10Gb mailbox thus use 100Gb,

Generally, I have cached mode on, unless it is a machine that someone only plans to use for a short period.

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